Block Diagram (3) - Sony KF-WE50A1 Service Manual

BLOCK DIAGRAM (3)

CN1900
AC (L)
AC (N)
F (LINE FILTER)
– 27 –
T1900 T1901
F1901
LINE LINE
FILTER FILTER
D1161
RY1900
PH1901
T1902
SBT
D1900
RECTFIER
4 11
10
3
9
8 7
D1912
8
Q1900
1
SWITCHING
REGULATOR
1
2 2
D1909
3 4
PH1902
ISOLATOR
KF-WE42A1/WE50A1/WS60A1
CN1909
AC (L)
F
4 AC (N)
RY1901
CN1908
8 AC ON
7 DTL 5V
6 PROT
5 DTL 9V
G
4 GND
3
STBY 5V
2 GND
1 AC-RLY (–)
3 K R 1
A
IC1602
2
SHUNT
REGULATOR
– 28 –
RM-1022 RM-1022 RM-1022
TO
G1 BOARD
CN1604
TO
G1 BOARD
CN1601